Download 9.2 Stream Development

Stream Development
SWBAT describe some of the physical
features of stream development; explain the
process of rejuvenation in stream
development
Moving Water Carves a Path
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Stream channel
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A pathway carved by moving water in sediments or
rocks
Steam banks
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The confines that hold the stram channel in place
Formation of Stream Valleys
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How are stream valleys formed?
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Meander
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a stream valley is formed when water erodes a path,
carving a v shaped channel with steep.
A bend or curve in a stream channel caused by
moving water.
How do oxbow lakes form?
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Oxbow lakes are formed when a meander is cut off
from a stream from the deposition of materials.
Deposition of Sediments
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Alluvial fan
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Delta
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A fan shaped sediment deposit, left when a stream’s
gradient suddenly decreases
A triangular deposit that forms where a stream
enters a large body of water
Rejuvenation
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A stream actively resumes the process of
downcutting toward its base level
In your groups
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Answer questions 1-5 on page 227
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Be sure to use complete sentences, and restate the
question in the answer.
Finish for homework